======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '319'
                                          'artist'  'Utada Hikaru'
                                     'text_people'  ''
                                         'release'  'Distance'
                                           'title'  'Addicted to You [Up-in-Heaven Mix]'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j-pop', 'japanese', 'female vocalists', 'pop', 'jpop']"
                                     'discogstags'  "['electronic', 'hip hop', 'pop', 'rnb/swing', 'j-pop', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '98.597'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Distance'
'TBPM' (BPM (beats per minute))                     '98.597'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Addicted to You [Up-in-Heaven Mix]'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Utada Hikaru'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'pop', 'rnb/swing', 'j-pop', 'synth-pop']
'TXXX:lastfmtags'                                   ['j-pop', 'japanese', 'female vocalists', 'pop', 'jpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-9.22 dB'
'TXXX:replaygain_track_peak'                        '3.143185'

========================== row from database ==========================
                                              'id'  927981
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Utada Hikaru/MBZ;#Utada Hikaru;#Distance;#Addicted to You [Up-in-Heaven Mix];#7.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  319
                                           'genre'  loc-asia-japan
                                        'filesize'  6387712
                                           'mtime'  1637330163
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia MBZ;#Utada Hikaru;#Distance;#Addicted Mix];#7 loc asia japan
                                      'tag_artist'  Utada Hikaru
                                     'tag_release'  Distance
                                       'tag_title'  Addicted to You [Up-in-Heaven Mix]
                                             'bpm'  98.597
                                    'search_title'  'addicted':1 'heaven':6 'in':5 'mix':8,9 'to':2 'up':4 'upinheaven':7 'you':3
                                   'search_artist'  'hikaru':2 'utada':1
                                  'search_release'  'distance':1
                                     'search_rest'  '00asia':1 '7':13,15 'addicted':8,11 'asia':17 'distance':7,10 'hikaru':6,9 'japan':18 'loc':16 'mbz':2,4 'mix':12,14 'utada':3,5
                                    'search_combo'  '00asia':13 '7':25,27 'addicted':1A,20,23 'asia':29 'distance':12C,19,22 'heaven':6A 'hikaru':11B,18,21 'in':5A 'japan':30 'loc':28 'mbz':14,16 'mix':8A,9A,24,26 'to':2A 'up':4A 'upinheaven':7A 'utada':10B,15,17 'you':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['j-pop', 'japanese', 'female vocalists', 'pop', 'jpop']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'hip hop', 'pop', 'rnb/swing', 'j-pop', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1637330162.532042  (2021-11-19 14:56:02)
                             'size'  6387712